[PATCH 083/117] Staging: hv: storvsc: Prevent outgoing traffic when stor dev is destroyed
From: "K. Y. Srinivasan" <kys@microsoft.com>
Date: 2011-07-15 17:37:52
Also in:
lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
Prevent outgoing traffic when stor dev is destroyed. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> --- drivers/staging/hv/hyperv_storage.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/hv/hyperv_storage.h b/drivers/staging/hv/hyperv_storage.h
index 6b20f1d..53b65be 100644
--- a/drivers/staging/hv/hyperv_storage.h
+++ b/drivers/staging/hv/hyperv_storage.h@@ -296,7 +296,8 @@ static inline struct storvsc_device *get_out_stor_device( spin_lock_irqsave(&device->ext_lock, flags); stor_device = (struct storvsc_device *)device->ext; - if (stor_device && atomic_read(&stor_device->ref_count) > 1) + if (stor_device && (atomic_read(&stor_device->ref_count) > 1) && + !stor_device->destroy) atomic_inc(&stor_device->ref_count); else stor_device = NULL;
--
1.7.4.1